{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:2L3L6HTAZOQYI6HSZXVHKOCSB3","short_pith_number":"pith:2L3L6HTA","canonical_record":{"source":{"id":"2209.07775","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2022-09-16T08:03:46Z","cross_cats_sorted":["cs.CL","cs.HC"],"title_canon_sha256":"f9c46a762d159dcb8a7ebc84a765e0482e605244e904cc3bb39180faf5ac81c9","abstract_canon_sha256":"f93fc193821b50b0e8d28c1fe434ec6a766827504f1c9f6528da96596e51eff6"},"schema_version":"1.0"},"canonical_sha256":"d2f6bf1e60cba18478f2cdea7538520ed455790fa2ae32345d61d3dd4b962fb2","source":{"kind":"arxiv","id":"2209.07775","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.07775","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"2209.07775v1","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.07775","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"2L3L6HTAZOQY","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_16","alias_value":"2L3L6HTAZOQYI6HS","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_8","alias_value":"2L3L6HTA","created_at":"2026-07-05T10:39:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:2L3L6HTAZOQYI6HSZXVHKOCSB3","target":"record","payload":{"canonical_record":{"source":{"id":"2209.07775","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2022-09-16T08:03:46Z","cross_cats_sorted":["cs.CL","cs.HC"],"title_canon_sha256":"f9c46a762d159dcb8a7ebc84a765e0482e605244e904cc3bb39180faf5ac81c9","abstract_canon_sha256":"f93fc193821b50b0e8d28c1fe434ec6a766827504f1c9f6528da96596e51eff6"},"schema_version":"1.0"},"canonical_sha256":"d2f6bf1e60cba18478f2cdea7538520ed455790fa2ae32345d61d3dd4b962fb2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:39:58.051267Z","signature_b64":"fKcELE2+vBXMknGLONNzAMlLyfBeDheyYXDZzgis9b4S7V34WTzJVu/jxDGxc5PLekuvPf3ezQsqoHQ7A76vBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d2f6bf1e60cba18478f2cdea7538520ed455790fa2ae32345d61d3dd4b962fb2","last_reissued_at":"2026-07-05T10:39:58.050824Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:39:58.050824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2209.07775","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VqXHnU7Uo8ybP97bxLYhkg6YtNSSXKhY5dPD3WI+ViPk4ALPMGNSev1zif1nGjtxYeq7L7EpCaFGqRKDoicqBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T01:53:03.068774Z"},"content_sha256":"54e073be0cf0b2a990a0fb0f27ecc6719aefe91e41553a33174d34f110e64763","schema_version":"1.0","event_id":"sha256:54e073be0cf0b2a990a0fb0f27ecc6719aefe91e41553a33174d34f110e64763"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:2L3L6HTAZOQYI6HSZXVHKOCSB3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Jaco: An Offline Running Privacy-aware Voice Assistant","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["cs.CL","cs.HC"],"primary_cat":"cs.CR","authors_text":"Alexander Poeppel, Daniel Bermuth, Wolfgang Reif","submitted_at":"2022-09-16T08:03:46Z","abstract_excerpt":"With the recent advance in speech technology, smart voice assistants have been improved and are now used by many people. But often these assistants are running online as a cloud service and are not always known for a good protection of users' privacy. This paper presents the architecture of a novel voice assistant, called Jaco, with the following features: (a) It can run completely offline, even on low resource devices like a RaspberryPi. (b) Through a skill concept it can be easily extended. (c) The architectural focus is on protecting users' privacy, but without restricting capabilities for "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.07775","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2209.07775/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:39:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tWIB9CELD+4vXwEnaqX+A8w/Pb36MQBCULXGcKqDoeabCUjiadRxnDylOnKGzAkyxFJBKY65yP2angtLZpFRDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T01:53:03.069063Z"},"content_sha256":"beffa2e468071e5add99a830cd0ca8ab7a73bf982b7dd05ef5f82439c4fbf06d","schema_version":"1.0","event_id":"sha256:beffa2e468071e5add99a830cd0ca8ab7a73bf982b7dd05ef5f82439c4fbf06d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3/bundle.json","state_url":"https://pith.science/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-01T01:53:03Z","links":{"resolver":"https://pith.science/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3","bundle":"https://pith.science/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3/bundle.json","state":"https://pith.science/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2L3L6HTAZOQYI6HSZXVHKOCSB3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:2L3L6HTAZOQYI6HSZXVHKOCSB3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f93fc193821b50b0e8d28c1fe434ec6a766827504f1c9f6528da96596e51eff6","cross_cats_sorted":["cs.CL","cs.HC"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2022-09-16T08:03:46Z","title_canon_sha256":"f9c46a762d159dcb8a7ebc84a765e0482e605244e904cc3bb39180faf5ac81c9"},"schema_version":"1.0","source":{"id":"2209.07775","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2209.07775","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"arxiv_version","alias_value":"2209.07775v1","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.07775","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_12","alias_value":"2L3L6HTAZOQY","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_16","alias_value":"2L3L6HTAZOQYI6HS","created_at":"2026-07-05T10:39:58Z"},{"alias_kind":"pith_short_8","alias_value":"2L3L6HTA","created_at":"2026-07-05T10:39:58Z"}],"graph_snapshots":[{"event_id":"sha256:beffa2e468071e5add99a830cd0ca8ab7a73bf982b7dd05ef5f82439c4fbf06d","target":"graph","created_at":"2026-07-05T10:39:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2209.07775/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the recent advance in speech technology, smart voice assistants have been improved and are now used by many people. But often these assistants are running online as a cloud service and are not always known for a good protection of users' privacy. This paper presents the architecture of a novel voice assistant, called Jaco, with the following features: (a) It can run completely offline, even on low resource devices like a RaspberryPi. (b) Through a skill concept it can be easily extended. (c) The architectural focus is on protecting users' privacy, but without restricting capabilities for ","authors_text":"Alexander Poeppel, Daniel Bermuth, Wolfgang Reif","cross_cats":["cs.CL","cs.HC"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2022-09-16T08:03:46Z","title":"Jaco: An Offline Running Privacy-aware Voice Assistant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.07775","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:54e073be0cf0b2a990a0fb0f27ecc6719aefe91e41553a33174d34f110e64763","target":"record","created_at":"2026-07-05T10:39:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f93fc193821b50b0e8d28c1fe434ec6a766827504f1c9f6528da96596e51eff6","cross_cats_sorted":["cs.CL","cs.HC"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"cs.CR","submitted_at":"2022-09-16T08:03:46Z","title_canon_sha256":"f9c46a762d159dcb8a7ebc84a765e0482e605244e904cc3bb39180faf5ac81c9"},"schema_version":"1.0","source":{"id":"2209.07775","kind":"arxiv","version":1}},"canonical_sha256":"d2f6bf1e60cba18478f2cdea7538520ed455790fa2ae32345d61d3dd4b962fb2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2f6bf1e60cba18478f2cdea7538520ed455790fa2ae32345d61d3dd4b962fb2","first_computed_at":"2026-07-05T10:39:58.050824Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:39:58.050824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fKcELE2+vBXMknGLONNzAMlLyfBeDheyYXDZzgis9b4S7V34WTzJVu/jxDGxc5PLekuvPf3ezQsqoHQ7A76vBA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:39:58.051267Z","signed_message":"canonical_sha256_bytes"},"source_id":"2209.07775","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54e073be0cf0b2a990a0fb0f27ecc6719aefe91e41553a33174d34f110e64763","sha256:beffa2e468071e5add99a830cd0ca8ab7a73bf982b7dd05ef5f82439c4fbf06d"],"state_sha256":"c059d388d74fa9a0c43ce0161d9cf3085b8837d8b13d098e1c24a0834c69ad6c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RuV1D5L7qiRutIu1MW5219QE1nb7+5maGjrR63X3CYzGjDSN1WMR79+UtP58aLH7E3/rROj1SfEp+HapvwAcAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T01:53:03.071583Z","bundle_sha256":"316c60ff0b86b4df336490f5bc0af47ef4775b13165def2ecae53ae8277a94b2"}}